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    What Is DEF on a Semi Truck? Fluid, Filters, Problems & Maintenance(Post)

    What Is a DEF (Diesel Exhaust Fluid) Filter? A DEF (Diesel Exhaust Fluid) filter protects the SCR (Selective Catalytic Reduction) system by removing dirt, debris, and contaminants from the DEF supply

    How A/C Driers Work on Your Semi Truck(Post)

    Ever wondered why your semi truck’s AC runs smoothly, or why it suddenly stops working? Your A/C receiver, drier, or accumulator is the unsung heroe of your commercial vehicle.  Maintaining your A/C d

    Buyers Guide to Aftermarket Air Breather Panels(Post)

    Decorative light panels are an outstanding way to start personalizing your truck. Air breather panels offer tremendous visual appeal and can elevate your big rig's nighttime appearance. There are five

    Semi-Truck Mattress Sizes: Fitment Chart & Buying Guide(Post)

    Looking for the right sized semi truck mattress? Every long-haul trucker should prioritize spending a sizeable portion of their budget on a quality mattress and driver's seat. That's where you spend

    Seasonal Semi Truck Maintenance Checklist(Post)

    Freezing winter weather temperatures, heavy snow, ice, and road salt take an unseen toll on your semi truck. Corrosion directly affects your semi truck brakes, electrical terminals,  suspension mounts

    What Does the FASS Fuel System Do? (Post)

    Diesel fuel often contains air, vapor, water, and fine debris - harmful contaminants that hurt fuel pressure stability, injector life, and injection pump health. FASS (fuel air separation system) help

    Preventative Maintenance Checklist for Semi Trucks(Post)

    In this post, we’ll cover the need for a semi truck preventative maintenance checklist, and some of the common replacement parts you can buy online and ship directly to your specified address. Key Ta

    Signs of a Failing Heater Box & What to Do About It(Post)

    Experiencing refreshing cool air in the summer and warm air in the winter is nearly priceless when behind the wheel of a big rig for 11 hours a day. However, if your A/C heater box isn’t working, your

    Semi Truck DPF Systems: How They Work, Problems, Regeneration & Parts(Post)

    Let’s break down how to maintain peak emissions performance and avoid excessive repairs on big truck exhausts. Key Takeaways DPFs trap soot, while DEF reduces harmful nitrogen oxide emissions. Watch

    What Year Did Semi Trucks Get DPF Systems?(Post)

    When Did Semi Trucks Start Using DPF Systems? EPA Rules Explained Diesel particulate filters (DPFs) became standard equipment on new U.S. heavy-duty diesel trucks starting with the 2007 engine model y

    Diesel Truck Engine Maintenance Guide(Post)

    Semi truck engines can last up to one million miles, or more, before they need to be rebuilt or replaced.  During their lifespan, engine system parts experience a lot of heat and pressure, eventually

    Spring Semi-Truck Maintenance: 5 Checks to Prevent Expensive Repairs(Post)

    Winter weather causes corrosion, contamination, wear, and hidden damage. Spring is a great time to inspect the truck thoroughly and stop small problems from becoming giant disasters.  Five Spring Main

    How to Buy the Right Peterbilt 379 Radiator(Post)

    If you want to keep your diesel engine from overheating you need a well-functioning replacement Peterbilt radiator to properly carry the hot coolant through small passages, transfer engine heat into t

    Best Semi Truck Emergency Kit Accessories to Deter Roadside Breakdowns(Post)

    It’s cold, and late, and you’re suddenly stalled at the side of the road because your semi truck won’t start or won’t budge. If this sounds like a truck driver’s worst nightmare, it’s because it is. 

    What are Semi Truck Winter Fronts?(Post)

    A semi-truck winter front is a heavy-duty, weather-resistant cover designed to mount directly over a truck’s front grille. Typically manufactured from reinforced vinyl, canvas, or quilted fabric, it s

    Wet Line Kits for Semi Trucks 101: The Basics Explained(Post)

    Ready to transform your rig into a hydraulic powerhouse? A semi-truck wet line kit can do the trick. One of these will turn your truck from a normal highway hauler into a workhorse capable of handlin

    How to Winterize a Semi Truck: The Complete Driver Checklist(Post)

    Cold winter weather, freezing temperatures, snow-covered roads, and adverse weather conditions wreak havoc on semi truck engines and equipment, and can lead to costly repairs if damage occurs. Don’t c

    Spare Semi Truck Parts Every Owner-Operator Should Keep(Post)

    For owner-operators, having the right spare parts on hand is the difference between experiencing devastating downtime and productive uptime. You don’t want to be caught on the side of the road waiting

    What are the Most Frequently Replaced Semi Truck Parts?(Post)

    The parts of a class 8 truck that see the most frequent repair and replacement are areas where tons of heat, friction, and pressure occur. No-brainer, right?  Here are some of the most frequently repl

    Semi Truck DPF Box Covers & Slipcovers: Fitment Guide(Post)

    Semi Truck DPF Box Covers: Types, Fitment & Replacement What Is a DPF Box Cover on a Semi Truck? DPF box covers are exterior panels designed to conceal or protect the aftertreatment housing. They do n

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  • Seats Inc. Legacy Lo Low Profile High Back Seat W/ Dual Armrests - Brown Duraleather

    Seats Inc. Legacy Lo Low Profile High Back Seat W/ Dual Armrests - Brown Duraleather

    SEATS INC

    $1,511.99
    Legacy Lo Brown Duraleather Low Profile High Back Seat W/ Dual Armrests* High Quality Seat* Fully Reclining Mid-Highback Or Highback * 22-Inch, 4-Position Seat Cushion * 19-Inch Width Shoulder Region...
    188409MW63
    SKU:
    188409MW63
    Truck Class:
    Heavy Duty
    Color:
    Brown
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,511.99
    Qty in Cart: 0
    Price:
    $1,511.99
    Subtotal:
  • Intake Pre-Filter For LAF3551 Air Filter

    Intake Pre-Filter For LAF3551 Air Filter

    FREEDOM AIR FILTERS

    $76.99
    Intake Pre-Filter For P153551 Air Filter* High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits...
    09-0723000
    SKU:
    09-0723000
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • FREE SHIPPING
    BLEMISHED: Peterbilt 3 Inch Stainless Steel Sleeper Extension Panels W/ 22 - 3/4 Inch Amber/Amber LED Lights For Models W/ 70 Inch Sleeper

    BLEMISHED: Peterbilt 3 Inch Stainless Steel Sleeper Extension Panels W/ 22 - 3/4 Inch Amber/Amber LED Lights For Models W/ 70 Inch Sleeper

    4 STATE TRUCKS

    $339.99
    Sleeper Extension Panels W/ 22 Amber/Amber 3/4 Inch LEDs Fits Peterbilt 131 BBC W/ 36 Inch SleeperNormally $501.99 Plus Shipping, Buy This One Now For $339.99 with Free Shipping! You Save $162+ Plus...
    ZB10001885
    SKU:
    ZB10001885
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Light Options:
    Without Lights
    Height Options:
    3 Inch
    Color:
    Amber
    $339.99
    Qty in Cart: 0
    Price:
    $339.99
    Subtotal:
  • Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension

    Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension

    AFTERMARKET

    $1,676.99
    21.25 Inch C To C Center Suspension Frame Bracket* High Quality Frame Bracket* Steel* 21.25 Inch C To C* For Center Suspension* Made In USA* Sold Individually * Warranty On Frame Brackets Against...
    02-0510015
    SKU:
    02-0510015
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $1,676.99
    Qty in Cart: 0
    Price:
    $1,676.99
    Subtotal:
  • 3 Inch Stainless Cab Panel W/ 8 Amber/Clear P1 Lights For Peterbilt 389 131 BBC - Pair

    3 Inch Stainless Cab Panel W/ 8 Amber/Clear P1 Lights For Peterbilt 389 131 BBC - Pair

    PHOENIX DESIGN

    $290.99
    Cab Panels W/ 8 Total Amber LED Clear Lens P1 Lights Fits Peterbilt 389 Extended HoodFor truckers who demand both style and function, these 3 Inch Stainless Cab Panels deliver 8 total P1 Amber/Clear...
    01-091200188
    SKU:
    01-091200188
    Light Options:
    With Lights
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Polished
    Length Options:
    47 Inch
    Product Type:
    Exterior
    $290.99
    Qty in Cart: 0
    Price:
    $290.99
    Subtotal:
  • Stainless Steel Cab Panels W/ 24 Amber 2 Inch Flat LEDs For International ProStar W/ Heater Plug 2008-2018

    Stainless Steel Cab Panels W/ 24 Amber 2 Inch Flat LEDs For International ProStar W/ Heater Plug 2008-2018

    ROADWORKS

    $659.99
    Stainless Steel Cab Panels W/ 24 Amber 2 Inch Flat LEDs Fits International ProStar* High Quality Cab Panels* Made Of Stainless Steel * For Trucks With Heater Plug * With 12- 2 Inch Amber Round Flat...
    07-091200188
    SKU:
    07-091200188
    Location:
    Made In USA
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    International
    Finish Options:
    Polished
    Length Options:
    52 Inch
    Product Type:
    Exterior
    $659.99
    Qty in Cart: 0
    Price:
    $659.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Light Bar Mounting Bracket For LED Light Bars On Any Inch Diameter Post

    Chrome Light Bar Mounting Bracket For LED Light Bars On Any Inch Diameter Post

    UNITED PACIFIC

    $11.01
    Chrome Plastic Light Bar Bracket* High Quality Light Bar Bracket* Made Of Chrome Plated Plastic* For Mounting Of United Pacific LED Light Bars On Any 1 Inch Diameter Post/Shaft* Stainless Steel...
    09-160200188
    SKU:
    09-160200188
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Lighting
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • Belmor White Vinyl 3 Slot Winter Front For Mack CH

    Belmor White Vinyl 3 Slot Winter Front For Mack CH

    BELMOR

    $87.99
    White Vinyl 3 Slot Winter Front For Mack CH ModelAre you preparing your truck for cold temperatures? 4 State Trucks offers this very durable Vinyl Belmor Winter Front that helps reduce and redirect...
    11-120618800
    SKU:
    11-120618800
    Color:
    White
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Vinyl
    Make:
    Mack
    Product Type:
    Exterior
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • Seats Inc. Bottom Cushion - Black / Burgundy For Legecy Silver Seat

    Seats Inc. Bottom Cushion - Black / Burgundy For Legecy Silver Seat

    SEATS INC

    $452.99
    Replacement Black / Burgundy Bottom Cushion For Legecy Silver Seat* High Quality Bottom Cushion* For Legacy Silver Seat* Color: Two Tone Black - Burgundy* Sold Individually* Warranty On Bottom...
    188014MN1164
    SKU:
    188014MN1164
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    $452.99
    Qty in Cart: 0
    Price:
    $452.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Black / Gray

    Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Black / Gray

    SEATS INC

    $1,263.99
    Black / Gray DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Gray 2 Tone Duraleather * Without...
    188121MN1165
    SKU:
    188121MN1165
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,263.99
    Qty in Cart: 0
    Price:
    $1,263.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black / Gray

    Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black / Gray

    SEATS INC

    $1,364.99
    Black / Gray DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Gray 2 Tone Duraleather * With...
    188121MW1165
    SKU:
    188121MW1165
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,364.99
    Qty in Cart: 0
    Price:
    $1,364.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests, Bellows - DuraLeather Black / Burgundy

    Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests, Bellows - DuraLeather Black / Burgundy

    SEATS INC

    $1,429.99
    Black / Burgundy DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Burgundy 2 Tone Duraleather *...
    188121MWB1164
    SKU:
    188121MWB1164
    Truck Class:
    Heavy Duty
    Color:
    Red
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,429.99
    Qty in Cart: 0
    Price:
    $1,429.99
    Subtotal:
  • Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black / Gray

    Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black / Gray

    SEATS INC

    $1,748.99
    Black / Gray DuraLeather Low Profile Heated Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Lo Seat* Legacy Lo * High Back* Lo Base* Black-Gray 2 Tone Duraleather * With...
    188321MWH1165
    SKU:
    188321MWH1165
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,748.99
    Qty in Cart: 0
    Price:
    $1,748.99
    Subtotal:
  • Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black

    Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black

    SEATS INC

    $1,693.99
    Black DuraLeather Low Profile Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Seat* Duraleather * Black* 18 Inch Ez Adjust Armrest* Skirt Style Suspension Cover* Heated Seat Cushion...
    188409MWH61
    SKU:
    188409MWH61
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $1,693.99
    Qty in Cart: 0
    Price:
    $1,693.99
    Subtotal:
  • Seats Inc. Legacy Lo Seat W/ Mid Back, Low Base, Heated - DuraLeather Black

    Seats Inc. Legacy Lo Seat W/ Mid Back, Low Base, Heated - DuraLeather Black

    SEATS INC

    $1,585.99
    Black DuraLeather Low Profile Heated Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* Skirt Style Suspension Cover * Heated Seat Cushion And Back * Standard Features * Enhanced...
    188598MNH61
    SKU:
    188598MNH61
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,585.99
    Qty in Cart: 0
    Price:
    $1,585.99
    Subtotal:
  • Seats Inc Legacy LO Gray Dura-Leather Mid Back Low Base Truck Seat With Heat & EZ Adjust Armrests

    Seats Inc Legacy LO Gray Dura-Leather Mid Back Low Base Truck Seat With Heat & EZ Adjust Armrests

    SEATS INC

    $1,693.99
    Gray DuraLeather Low Profile Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Air Ride Seat* Gray Dura-Leather * Skirt Style Suspension Cover * Heated Seat Cushion And Back * Standard...
    188598MWH65
    SKU:
    188598MWH65
    Color:
    Gray
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,693.99
    Qty in Cart: 0
    Price:
    $1,693.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base - DuraLeather Gray

    Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base - DuraLeather Gray

    SEATS INC

    $1,072.99
    Gray DuraLeather Mid Back Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* Mid Back* Standard Base* Gray Duraleather* Without Armrests Or Suspension Cover* Standard Features * Enhanced...
    188891MN65
    SKU:
    188891MN65
    Color:
    Gray
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,072.99
    Qty in Cart: 0
    Price:
    $1,072.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base, Armrests, Bellows - DuraLeather Black

    Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base, Armrests, Bellows - DuraLeather Black

    SEATS INC

    $1,401.99
    Black DuraLeather Mid Back Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* 18 Inch Ez Adjust Armrest * Bellow Style Suspension Cover * Standard Features * Enhanced Shoulder And Back...
    188891MWB61
    SKU:
    188891MWB61
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Brown - W/O Armrests

    Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Brown - W/O Armrests

    SEATS INC

    $1,261.99
    Brown DuraLeather High Back Suspension Truck Seat W/ Fully Reclining BackrestThe Legacy Silver Seat is designed to make long hours of driving more comfortable and less fatiguing. The enhanced...
    188900MN63
    SKU:
    188900MN63
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,261.99
    Qty in Cart: 0
    Price:
    $1,261.99
    Subtotal:
  • Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black

    Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black

    SEATS INC

    $1,198.99
    Black DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Seat* 18 Inch Ez Adjust Armrest * Standard Features * Enhanced Shoulder And Back Support And Cushion...
    188900MW61
    SKU:
    188900MW61
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $1,198.99
    Qty in Cart: 0
    Price:
    $1,198.99
    Subtotal:
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